2. The Building Regulations 1991(1) shall be amended by inserting the following Part after regulation 9 (exempt buildings and work):—
9A.—(1) The Metropolitan Police Authority is hereby prescribed for the purposes of section 5 of the Building Act 1984 (exemption of public bodies from the procedural requirements and enforcement of building regulations).
(2) The Metropolitan Police Authority is exempt from compliance with these Regulations in so far as the requirements of these Regulations are not substantive requirements.”
S.I. 1991/2768, to which there are amendments not relevant to these regulations.